Cannot get list of Elements with Page Factory

Description

@iOSXCUITFindBy(locator) List returns null, while driver.findElements(locator) return list

Environment

• Java client build version or git revision if you use some snapshot: 7.20
• Appium server version or git revision if you use some snapshot: 1.15.1
• Desktop OS/version used to run Appium if necessary: MacOS
• Node.js version (unless using Appium.app|exe) or Appium CLI or Appium.app|exe: 12.10.0
• Mobile platform/version under test: iOS
• Real device or emulator/simulator: Real device iOS 11-13

Details

Code To Reproduce Issue [ Good To Have ]

//retun null
@iOSXCUITFindBy(className = "XCUIElementTypeCell")
var ordersList: List< MobileElement>? = null

init {
    PageFactory.initElements(AppiumFieldDecorator(driver), this)
}

//return list with 2 elements
fun orders(): List? {
return driver!!.findElements(MobileBy.className("XCUIElementTypeCell"))
}

Exception Stacktraces

Link To Appium Logs

Start by reproducing the annotated List case with AppiumFieldDecorator and compare it with driver.findElements using the listed Java client, Appium, and iOS versions. Trace PageFactory.initElements and the @iOSXCUITFindBy handling; done means the annotated list is populated consistently with the direct element lookup.